National Item Identification Number

00-303-2881

National Stock Number

Item Name

WASHER,RECESSED

Federal Supply Class

5310

Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Commercial and Government Entity Code (Supplier Data)

---

59875

---

ARGO-TECH CORPORATION
AIRCRAFT ACCESSORIES DIV
23555 EUCLID AVE
CLEVELAND
OH
44117
216-692-5921

---

Reference Numbers (Part Numbers)

214220

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT

Required Description

STEEL COMP 630 OVERALL
AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PASSI